Difference between revisions of "User:Eek5/Shard Bombs"

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* [http://www.youtube.com/watch?v=Zs1du2EQjXM Greavers] {{EeksEquipSmall|Scintillating Sun Shards}}
 
* [http://www.youtube.com/watch?v=Zs1du2EQjXM Greavers] {{EeksEquipSmall|Scintillating Sun Shards}}
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* [http://www.youtube.com/watch?v=9JxAiwj6rhU Trojans in FSC] {EeksEquipSmall|Scintillating Sun Shards}}
  
 
= Bugs, Quirks and Criticism =
 
= Bugs, Quirks and Criticism =

Revision as of 23:02, 16 August 2012

Shard bombs

Shard Bombs

This page contains observations and opinions of 5-star shard-style bombs. There are 6 separate bombs which exhibit the same basic mechanics (bomb radius, number of shards, fuse times, charge times). There is a bomb that covers each pure damage type (normal, elemental, piercing, and shadow) as well as two semi-redundant bombs which have family-specific damage bonuses as well as a chance to proc status on hit. The four pure-damage bombs all share the same base damage for all explosions; all 6 bombs share the same base damage for the initial explosion.

Shard Bomb Mechanics

Charge

The shard bombs share charge times with the Blast Bomb series.

None Low Medium High V. High Ultra Max
Shard Bombs 2200 2050 1870 1700 1550 1400 1225

* Time in milliseconds

Fuse & Explosion

Inner and outer radius

The shard bombs have a two-stage explosion, both of which have knock back. The displayed radius on the fuse is that of the first explosion. The initial fuse is 1.8 seconds long and when it goes off it sends out 8 additional shards at 45 degree angles. These shards have a fuse of 2.5 seconds.

The first explosion behaves similarly to blast bomb, dealing damage to any unit inside of its radius and knocking the unit back. Most enemies will be knocked back as far as the outer-ring of shards, setting them up for a combo attack assuming they don't move.


Greysnipe-eeks.png Note: The 2.5 second stage-two fuse allows enough time for enemies to move inside the outer shard ring and get pushed inward.

Time plot of 5 bomb drops for 4/5* shard bombs and nitronome from player with maximum charge time reduction. Video of side-by-side two bomb drop.

Latency

It takes 5.7 seconds from charge to explosion for a player with maximum charge time reduction. Because the charge time is only 1.225 seconds, a player "spamming" the bomb as fast as possible will be charging their fourth bomb by the time the main payload of the first bomb goes off. When holding a fully charged bomb, the player must anticipate where an enemy will be 4.3 seconds from the bomb drop to hit it with the main payload of the shard bombs. The inner fuse is 0.1 seconds shorter than the Nitronome but the double fuse is 115% longer.

Snipe-eeks.png Snipe Fun Fact: In the time it takes to drop a shard bomb and have the outer-ring explode, a player with maximum charge time reduction can charge and drop 3 nitronomes, 2 of which will deal damage before the shard bomb's outer explosion goes off.

Status Bombs

Shocking Salt Bomb and Scintillating Sun Shards paths both have a fair chance of causing moderate shock and stun, respectively, at the cost of dealing 10.5% less damage per shard. The initial explosion deals damage equivalent to each bomb's non-status dealing counterpart.

Status application is similar to bombs such as the firecracker where enemies hit by the explosion have a chance to proc status. This applies to both the initial explosion and the secondary explosions. Note: Stun can make dodging attacks difficult.

Usage

Combo

Bomb placement and corresponding shard overlap

Because of the long double-fuse, pre-bomb placement is very tricky. One strategy that works is to knock back enemies with the first explosion which takes the guesswork out of aiming the secondary ring, however, enemies will move in or out of the second ring and can either get knocked back in unintended directions or sneak into the dead-zone of the bomb. This strategy only works against small numbers of enemies because of the smaller initial radius.

Spamming

For larger groups of enemies, placing as many bombs as possible seems to work the best. The optimal placement for shard bombs is to have the rings overlap. A good rule of thumb is to place the second bomb one "square unit" away from the outer radius of the fuse indicator. This will overlap the 8 shards in a way that minimizes any dead zones. One of the biggest issues of spamming the shard bomb is that both the initial and secondary explosions knock enemies back and when dropping shard bombs as quickly as possible, explosions from 3 bombs back will be going off which can be difficult to anticipate.

General Placement

Shard units should be placed at least one "square unit" away from any obstacles (walls, low walls, boxes, etc) such that the entire initial radius is in "open" space. While this does not guarantee that shards on the blocked side of the bomb will appear it will at least give shards a chance to stack up against the short-side.

Placing the bomb down against a wall or obstacle will completely prevent 3 shards from appearing.

Videos

Equipment-Shocking Salt Bomb icon.png Shocking Salt Bomb

Equipment-Deadly Crystal Bomb icon.png Deadly Crystal Bomb

Equipment-Scintillating Sun Shards icon.png Scintillating Sun Shards

Bugs, Quirks and Criticism

Zero Damage Bombs

Sometimes the shard bombs do no damage at all.

Bombing Over Gaps/Short Walls

This bomb does not work over gaps, short walls, or over open corners. This seems to be a compromise for allowing "short-side" (partially obscured/blocked) shards to group up before they reach their maximum distance. Unfortunately this mechanic does not always work and shards on the short-side don't consistently appear.

Disappearing Shards

Three consecutive bomb drops in the same location. The short-side shards don't always appear.

When the full outer radius is obscured by walls (short or regular) or obstacles, shards are able to group up at the edge of the hard boundary, however, the shard behavior isn't always consistent. Sometimes all 3 short-side shards can appear grouped together and sometimes they will completely disappear.

Greysnipe-eeks.png Note: It is possible for blocks and enemies to prevent shards from appearing.

Scintillating Sun Shards Stun Sorrows

This bomb isn't recommended mainly because stun is broken and it makes bombing Trojans very risky. Trojans can get stunned (video) and immediately do their charge up attack without any animation whatsoever. Since stun can proc on both initial explosion and shard explosions this could happen at any time. This forces the player to maintain a "safe" distance away making bombing trojans with SSS take even longer. SSS is one of the most inefficient ways to deal with Trojans.

Bombing enemies in corners

This issue is related to disappearing shards; bombing targets that are wedged in corners can prove to be ineffective. Because diagonal shards are needed to hit a target in the corner (video example 1 example 2), sometimes placing the bomb at an angle off of 45 degrees will cause shards to "hit" the wall and sometimes never appear. Occassionally shards will appear but be affected by the zero damage bug and deal no damage whatsoever. If an enemy finds itself in a corner the best option is to use another weapon.

An alternative strategy is to place the bomb against one of the walls, throwing away 3 of the shards but guaranteeing that the corner shard is aligned with the corner. Unfortunately this bombing position can "force" the enemy to move out since the player is no longer blocking AI pathing.

Double hits only dealing single shard damage

Comparison of Nitronome and 4/5* shard bomb radii as well as visual representation of "dead zone" between inner and outer explosions

Despite outer-ring shards having an overlap, enemies will often find themselves right between two charges before the shard explosion but only take damage as if only hit by a single shard. This seems to be due to the fact that shard explosions aren't synchronized; it is possible for two adjacent shards to explode asynchronously from each other with the preceding blast knocking the enemy out of range of the second blast or providing immunity? to the second blast. In either case, not being able to deal double-shard damage hurts shard bombs' competitiveness with other pure-damage bombs such as the nitronome, big angry bomb, or dark briar barrage.

Large Deadzone

An example of the large deadzone. A trojan manages to dash into the center of a Scintillating Sun Shards and manages to take no damage from any of the outer shard explosions. Video.

One of the issues of the two-stage bomb is that by the time the outer-ring explosion goes off, there is a large hole in the center where enemies can move to and take zero damage. This dead zone is approximately 48% of the total area inside the full radius of the bomb. For stationary targets, there is a zone between the inner and outer explosions where enemies will take no damage at all. This applies to both the 4* and 5* versions of shard bombs.

No Mechanical Change from 4 to 5-star

4* vs 5* - Can you spot the difference? (view full size to see animation)

Aside from small cosmetic changes with bomb models, the 4 and 5-star versions of shard bombs all behave identically and differ only in damage. Other bombs receive other benefits such as increased radii to differentiate from 4 and 5 star variants but this mechanical difference is absent in shard bombs. Increasing the inside radius as well as the radius of each shard explosion would decrease the dead zone on 5-star shard bombs while allowing for more frequent double shard hits as well as reducing the amount of misses per bomb.

Unpredictable Knockback

A disadvantage of bombs that a player dropped 3 charges in the past going off is that knockback can become incredibly unpredictable. Using the shard bombs in a similar manner to Nitronome will often result in shards overshooting targets then knocking enemies towards the player. Even when using the bomb in a "combo" scenario, the initial explosion can push enemies into the outer ring only to have the enemy move before the outer ring explodes making that knockback inconsistent from scenario to scenario.

In a team setting the two-stage, double knockback style bomb can prove to be especially chaotic.

Low Base Damage

All the non-status shard bombs share the same base damage as the neutral, normal-dealing Deadly Shard Bomb (DSB). At depth 28, the Deadly Shard Bomb hits targets for 75 damage with the initial explosion and 99 damage for each shard. The maximum damage a single DSB can inflict would be to hit for the initial explosion knocking an enemy into the outer ring then double-hitting with shard damage for another 198 damage for a total of 273 damage. At the same depth, a Nitronome or Leviathan will hit a target for 230 damage in a single explosion. Another thing to consider is that in the time it takes for a shard bomb to deliver the main payload of the outer-ring, two nitronomes will already have dealt damage. In this scenario the Nitronome user would be dealing 230-480 damage whereas the shard bomb user would be dealing 75-273 damage. The damage potential isn't competitive.

The low base damage means that bombs such as the Scintillating Sun Shards or Shocking Salt Bomb are only useful against enemies weak to pierce or shadow, respectively, since enemies neutral to the specialized damage won't be taking a lot of damage. This low base damage hurts the versatility of shard bombs forcing players to compensate by carrying multiple shard bombs or other weapons to deal with neutral or strong enemies that are often mixed in levels.

Even the specialized damage bombs fall short when compared to the normal damage Nitronome. The Deadly Crystal Bomb, for example, deals 143 damage in its initial blast and 186 per shard to enemies weak against elemental damage. In the time two Nitronomes go off, the DCB would be dealing 143-515 damage compared to a normal-damage Nitronome which would deal 230-460 damage. Even with a damage bonus, the shard bombs are barely competitive against a normal damage bomb! The Dark Briar Barrage would deal 285-570 against enemies weak to pierce at depth 28 and most likely always be dealing 570 damage per two bombs because of its ease of use and lack of knockback.

In mixed family-group levels such as Firestorm Citadel where players can find trojans (fiends) and zombies intermingling, the low base damage forces players to double up on bombs. For example, a player clearing FSC with the Deadly Crystal bomb would be doing decent damage to zombies but very poor damage to trojans which are neutral to elemental damage and vice versa, if a player is using SSS they would be doing poor damage to zombies which are neutral to piercing.

This low base damage makes these bombs very unattractive as options in loadouts due to their one-dimensional nature. Other pure damage weapons in the game remain competitive even when attacking neutral targets. Piercing weapons such as the Dark Briar Barrage, Final Flourish can remain competitive with other weapons against Gremlins and Undead.

Low Average Damage

While the damage potential of a single bomb can be high, the small radius of the individual shard explosions and the double hit bug often leads to bombs dealing only a single hit of outer shard damage per bomb. In this scenario even a normal bomb such as the nitronome outclasses pure damage bombs such as the DCB. These "dud" bombs drag down the DPS of shard bombs compared to other damage bombs even when not including the long set-up time of the shard bomb.

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